ISL9005A

LDO with Low I<sub>SUPPLY</sub>, High PSRR

Product Status: 量産中(*)

OVERVIEW

ISL9005A is a high performance Low Dropout linear regulator capable of sourcing 300mA current. It has a low standby current and high-PSRR and is stable with output capacitance of 1µF to 10µF with ESR of up to 200mΩ.

The ISL9005A has a high PSRR of 75dB and an output noise of less than 45µVRMS . When coupled with a no load quiescent current of 50µA, (typical) and 0.1µA shutdown current, the ISL9005A is an ideal choice for portable wireless equipment.

Several different fixed voltage outputs are standard. Output voltage options for each LDO range are from 1.5V to 3.3V. Other output voltage options may be available upon request.

KEY FEATURES

  • 300mA high performance LDO
  • Excellent transient response to large current steps
  • Excellent load regulation: <0.1% voltage change across full range of load current
  • High PSRR: 75dB @ 1kHz
  • Wide input voltage capability: 2.3V to 6.5V
  • Very low quiescent current: 50µA
  • Low dropout voltage: typically 200mV @ 300mA
  • Low output noise: typically 45µVRMS @ 100µA (1.5V)
  • Stable with 1µF to 10µF ceramic capacitors
  • Soft-start to limit input current surge during enable
  • Current limit and overheat protection
  • ±1.8% accuracy over all operating conditions
  • Tiny 2mmx3mm 8 Ld DFN package
  • -40°C to +85°C operating temperature range
  • Pb-free (RoHS compliant)

PARAMETRICS

Parameters
ISL9005A
Basic Information
Production Status
量産中(*)
入力電圧 (V) (min)
2.3
入力電圧 (V) (max)
6.5
外部バイアス
No
出力電圧 (V) (min)
1.5
出力電圧 (V) (max)
3.3
固定出力電圧オプション
Yes
O/P電圧精度 (%)
±1.8
出力電流1 (A) (max)
0.3
PSRR (dB)
75
認定レベル
Standard
ノイズ (μVRMS 10Hz~100kHz)
45
IQ
50 µA
ドロップアウト電圧 (mV) (Typ.)
250 @ 300mA
イネーブル/シャットダウン
Yes
PGOOD出力
No
入力電圧範囲 (V)
2.3 to 6.5
出力電圧範囲 (V)
1.5 to 3.3
CANサンプル
YES
温度範囲
-40 to +85

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